28 May 2019

A cultural history of fat

From The Atlantic:
Whether procured from plant, animal, or human sources, in one form or another fat has been an important element in the European pharmacopoeia since ancient times. For reasons that are not quite clear, a medicinal interest in human fat was especially pronounced in the 16th and 17th centuries. In 1543, the physician Andreas Vesalius instructed anatomists who boiled bones for the study of skeletons to carefully collect the layer of fat “for the benefit of the masses, who ascribe to it a considerable efficacy in obliterating scars and fostering the growth of nerves and tendons.” Vesalius knew what he was talking about. At the time, human fat was widely considered—and not just by “the masses”—to be efficacious in healing wounds, and was typically harvested from the recently deceased. In October 1601, after a particularly bloody battle during the Siege of Ostend, Dutch surgeons descended upon the battlefield to return with “bags full of human fat,” presumably to treat their own soldiers’ wounds...

If the fat of warriors was efficacious, that of executed criminals was easier to lay one’s hands on. What was called “poor sinner’s fat” was rendered from the bodies of the recently executed and used to treat sprains, broken bones, and arthritis. Beyond such uses, human fat was also prescribed as a painkiller or to treat sciatica and rheumatism, while dead men’s sweat was collected for the treatment of hemorrhoids. Until the mid-18th century, executioners in the city of Munich, who often prescribed and administered homemade remedies from the corpses of their doomed clients, had a lucrative trade in the fat they delivered to physicians by the pound...

Despite the apparent obsolescence of many of these beliefs, the claim that fat could heal wounds was not entirely misguided. Physicians today know that adipose tissue is highly “angiogenic,” meaning that it promotes the growth of new blood vessels from preexisting ones...

In a tradition extending back to the Middle Ages, especially in Germanic cultures, many thieves believed that their nocturnal pilfering would go unnoticed if they burned a candle made of human fat or the fingers of dead babies. As long as these “thieves’ candles” burned, it was said, burglars acquired powers of invisibility while homeowners would remain blissfully asleep. So powerful was this belief that in the 16th and 17th centuries, several thieves were convicted of murdering people just to make such candles...
More information in the upcoming book Fat: A Cultural History of the Stuff of Life.

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